23 apr 263 anni a. C. - - The Greek astronomer and mathematician Aristarchus of Samos
Descrizione:
the first to present an explicit argument for a heliocentric model of the Solar System, placing the Sun, not the Earth, at the center of the known universe. He describes the Earth as rotating daily on its axis and revolving annually about the Sun in a circular orbit, along with a sphere of fixed stars.Aggiunto al nastro di tempo:
Data:
23 apr 263 anni a. C.
Adesso
~ 2290 years ago